Implement EXT_draw_buffers WebGL extention support in command buffer.

webkit/gpu/webgraphicscontext3d_in_process_impl.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "webkit/gpu/webgraphicscontext3d_in_process_impl.h"
 
 #include <string.h>
 
 #include <algorithm>
 #include <string>
@@ skipping 1713 matching lines @@
 void* WebGraphicsContext3DInProcessImpl::mapBufferCHROMIUM(
     WGC3Denum target, WGC3Denum access) {
   return 0;
 }
 
 WGC3Dboolean WebGraphicsContext3DInProcessImpl::unmapBufferCHROMIUM(
     WGC3Denum target) {
   return false;
 }
 
+void WebGraphicsContext3DInProcessImpl::drawBuffersEXT(
+    WGC3Dsizei n, const WGC3Denum* bufs) {
+  NOTIMPLEMENTED();
+}
+
 GrGLInterface* WebGraphicsContext3DInProcessImpl::onCreateGrGLInterface() {
   return gfx::CreateInProcessSkiaGLBinding();
 }
 
 bool WebGraphicsContext3DInProcessImpl::AngleCreateCompilers() {
   if (!ShInitialize())
     return false;
 
   ShBuiltInResources resources;
   ShInitBuiltInResources(&resources);
@@ skipping 75 matching lines @@
   if (length > 1) {
     entry->translated_source.reset(new char[length]);
     ShGetObjectCode(compiler, entry->translated_source.get());
   }
   entry->is_valid = true;
   return true;
 }
 
 }  // namespace gpu
 }  // namespace webkit